sqoop export \
--connect jdbc:mysql://192.168.88.80:3306/scrm_bi \
--username root \
--password 123456 \
--table class_attendance_app \
--hcatalog-database itcast_app \
--hcatalog-table class_attendance_app \
--input-fields-terminated-by '\t' \
--input-null-string '\\N' \
--input-null-non-string '\\N' \
-m 4\

sqoop export --connect jdbc:mysql://192.168.88.66:3306/scrm_bi?useSSL=false --username root --password 123456 --table class_attendance_rtp1 --hcatalog-database itcast_dm --hcatalog-table class_attendance_dm --input-fields-terminated-by '\t' --input-null-string '\\N' --input-null-non-string '\\N' -m 4
